The accepted parameters of what defines a rock star might change with each passing trend, but you know one when you see one.

While the quality of music definitely plays a role, it's far from the only factor that determines whether or not an artist crosses into rock stardom. To achieve the designation, you need a magnetic presence, an unmistakeable mystique and, in many cases, a healthy amount of danger and recklessness.

But thanks to the open access we have to everyone on the internet and a sea change throughout the industry as a whole, some claim the age of the true rock star is over. In the gallery above, however, are 50 musicians who prove otherwise.

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